look up any word, like fleek:
 
1.
A term referring to a person, a place, or a thing; essentially something that exists.

Such nouns include:
*me (Dave)
*George W Bush
*Microsoft (the place)
*Nintendo (the place)
*Nintendo Gamecube
*Microsoft Xbox
*Sony Playstation 2
*The Pentagon
*US Army
*La-La Land
*Mushroom Kingdom
*Dreams
*Money
*Food
*Controller
....among MANY others.

Supposedly this term also refers to sexual intercourse, as well as the word "verb" does too.
"Go noun yourself."
-me, if my knowledge of what "noun" now means serves me right
by Dave April 04, 2004
 
2.
a word used right after someone says "word". You say it to make them look dumb!
A: That movie was great huh?
B: word!
C: noun!
by Zib June 22, 2003
 
3.
verb: all-purpose word similar to usage of "smurf" in the tv show of the same name.
Arnold Schwarzenegger: "Stop nouning my wife!!!"
by colin February 23, 2004
 
4.
A girl who likes to take advantage of guys,goes for a guy who has some nice things like a nice sports car, in which the guy stole that girl from you, when he is about to hit rock bottom on his life, then she comes back at you like a boomerang.
Noun

Wow, that girl was a boomerang girl because she came back to that guy after she left him for that hot Mustang guy.
by Anonomyous367 January 19, 2012
 
5.
table
mobile
by Anonymous October 22, 2003
 
6.
The replacement for the term "word."
"You hittin up that party tonight?"
"Noun."
by david November 17, 2004